LASER PROCESSING APPARATUS INCLUDING LASER SENSOR SYSTEM AND METHODS OF MEASUREMENT OF BEAM CHARACTERISTICS
An optical apparatus is disclosed. In one embodiment. the apparatus includes a photodetector apparatus having a photodetector, a first optical component arranged to direct a first beam path along which a beam of laser energy is propagatable to a first optical train configured to direct the first beam path to the photodetector, and a second optical component arranged to direct a second beam path along which the beam of laser energy is propagatable to a second optical train configured to direct the second beam path to the photodetector. The first optical train and the second optical train include a partially-transmissive mirror and a curved mirror configured to allow a first portion of the beam of laser energy to propagate therethrough, thereby imaging an AOD pivot point at a location relative to the detector apparatus. The photodetector may be positioned in a detection port of an integrating sphere.
1 . An apparatus, comprising:
a detector apparatus including a photodetector;
at least one first optical component arranged to direct a first beam path along which a beam of laser energy is propagatable to a first optical train configured to direct the first beam path to the detector apparatus; and
at least one second optical component arranged to direct a second beam path along which the beam of laser energy is propagatable to a second optical train configured to direct the second beam path to the detector apparatus.
2 . The apparatus of claim 1 , wherein the first optical train and the second optical train are configured to image an AOD pivot point at a location relative to the detector apparatus.
3 . The apparatus of claim 1 , further comprising at least one laser source operative to generate the beam of laser energy.
4 . The apparatus of claim 1 , wherein the first optical train and the second optical train include:
a partially-transmissive mirror; and
a curved mirror.
5 . The apparatus of claim 4 , wherein the partially-transmissive mirror is arranged to:
receive the beam of laser energy;
allow a first portion of the beam of laser energy to propagate therethrough and reflect a second portion of the beam of laser energy.
6 . The apparatus of claim 5 , wherein the curved mirror is arranged to receive the first portion of the beam of laser energy from the partially-transmissive mirror and reflect the first portion of the beam of laser energy to the detector apparatus.
7 . The apparatus of claim 1 , wherein the detector apparatus is an integrating sphere.
8 . The apparatus of claim 1 , further comprising a switch configured to selectively propagate the beam of laser energy to the first beam path or the second beam path.
9 . The apparatus of claim 8 , wherein the switch is an AOD system.
10 . The apparatus of claim 8 , wherein the switch is a galvanometer system.
11 . The apparatus of claim 1 , wherein the detector apparatus comprises:
an integrating sphere having an integrating sphere body with a collection port and a detection port formed therein,
wherein the photodetector is positioned in the detection port.
12 . An apparatus, comprising:
a detector apparatus including a photodetector;
a first laser source operative to generate a first beam of laser energy;
a second laser source operative to generate a second beam of laser energy;
at least one first optical component arranged to direct a first beam path along which the first beam of laser energy or the second beam of laser energy is propagatable to a first optical train configured to direct the first beam path to the detector apparatus; and
at least one second optical component arranged to direct a second beam path along which the first beam of laser energy or the second beam of laser energy is propagatable to a second optical train configured to direct the second beam path to the detector apparatus.
13 . The apparatus of claim 12 , wherein the first optical train and the second optical train are configured to image an AOD pivot point at a location relative to the detector apparatus.
14 . The apparatus of claim 12 , wherein the first optical train and the second optical train include:
a partially-transmissive mirror; and
a curved mirror.
15 . The apparatus of claim 14 , wherein the partially-transmissive mirror is arranged to:
receive the first beam of laser energy or the second beam of laser energy;
allow a first portion of the first beam of laser energy or the second beam of laser energy to propagate therethrough; and
reflect a second portion of the first beam of laser energy or the second beam of laser energy.
16 . The apparatus of claim 15 , wherein the curved mirror is arranged to receive the first portion of the first beam of laser energy or the second beam of laser energy from the partially-transmissive mirror and reflect the first portion of the first beam of laser energy or the second beam of laser energy to the detector apparatus.
17 . The apparatus of claim 12 , further comprising a switch configured to selectively propagate the first beam of laser energy or the second beam of laser energy to the first beam path or the second beam path.
18 . The apparatus of claim 17 , wherein the switch is an AOD system.
19 . The apparatus of claim 17 , wherein the switch is a galvanometer system.
20 . The apparatus of claim 12 , wherein the detector apparatus comprises:
an integrating sphere having an integrating sphere body with a collection port and a detection port formed therein,
wherein the photodetector is positioned in the detection port.